Home / 5,704.22-7,871.04-3,186.20

Finding the Fourth Proportional to 5,704.22, 7,871.04 and 3,186.20

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Solution

The fourth proportional to 5,704.22, 7,871.04 and 3,186.20 is: 4,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.22 : 7,871.04 = 3,186.20 : x
  2. Step 2: Convert to fraction form
    5,704.22/7,871.04 = 3,186.20/x
  3. Step 3: Cross multiply
    5,704.22x = 7,871.04 × 3,186.20
  4. Step 4: Simplify right side
    5,704.22x = 25,078,727.33
  5. Step 5: Solve for x
    x = 25,078,727.33/5,704.22
  6. Step 6: Final answer
    x = 4,396.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.